package com.blog.controller;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class FileUploadListAction extends ActionSupport {
	private List<File> file;
	private List<String> fileFileName;
	private List<String> fileContentType;
	
	public List<File> getFile() {
		return file;
	}

	public void setFile(List<File> file) {
		this.file = file;
	}

	public List<String> getFileFileName() {
		return fileFileName;
	}

	public void setFileFileName(List<String> fileFileName) {
		this.fileFileName = fileFileName;
	}

	public List<String> getFileContentType() {
		return fileContentType;
	}

	public void setFileContentType(List<String> fileContentType) {
		this.fileContentType = fileContentType;
	}

	public String execute() throws IOException {
		// 得到工程保存图片的路径
		String root = ServletActionContext.getServletContext()
				.getRealPath("/UploadImages");
		
		// 循环上传的文件
		for (int i = 0; i < file.size(); i++) {
			InputStream is = new FileInputStream(file.get(i));

			// 得到图片保存的位置(根据root来得到图片保存的路径在tomcat下的该工程里)
			File destFile = new File(root, this.getFileFileName().get(i));

			// 把图片写入到上面设置的路径里
			OutputStream os = new FileOutputStream(destFile);
			byte[] buffer = new byte[400];
			int length = 0;
			while ((length = is.read(buffer)) > 0) {
				os.write(buffer, 0, length);
			}
			is.close();
			os.close();
		}
		return SUCCESS;
	}
}
